Keita Koyama advanced when Hiroki Kondo retired 2-6 6-4 4-0 in the Japan F7 round of 16. Keita Koyama claimed a first win over Hiroki Kondo in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-10-15 | Japan F9 | R16 | hard | Hiroki Kondo | 6-3 6-2 |
| 2011-06-20 | Japan F7 | QF | grass | Hiroki Kondo | 6-3 6-4 |
Averages over each player's completed matches in the selected window (1 vs 20). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About